Action

type Action =
  | { readonly type: "BACK" | "CLOSE" }
  | { readonly type: "URL"; url: string }
  | {
      readonly type: "NODE";
      readonly destinationId: string | null;
      readonly navigation: Navigation;
      readonly transition: Transition | null;
      readonly preserveScrollPosition: boolean;
      readonly overlayRelativePosition?: Vector;
    };

type Navigation = "NAVIGATE" | "SWAP" | "OVERLAY" | "SCROLL_TO" | "CHANGE_TO";